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Author Topic: Amiga 1200 OS3.1 with 3.0 Roms?  (Read 3969 times)

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Offline crawffTopic starter

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Amiga 1200 OS3.1 with 3.0 Roms?
« on: November 19, 2009, 11:44:01 AM »
Hi,

Can you use OS 3.1 with a Amiga 1200 with only 3.0 Roms?

Or do they need to match?

Many thanks,
 

Offline dougal

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #1 on: November 19, 2009, 11:49:06 AM »
Quote from: crawff;530265
Hi,

Can you use OS 3.1 with a Amiga 1200 with only 3.0 Roms?

Or do they need to match?

Many thanks,


I believe you can. I even used OS3.9 with 3.0 Roms, but that was because i used Blitzkick which would put an image of 3.1 into the memory.

But it is so cheap and easy to replace the roms that i would just go ahead and replace them.
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Offline rockape

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #2 on: November 19, 2009, 12:40:26 PM »
Hi dougal,

Yes OS 3.1 runs fine on OS 3 ROMs.

I have an A1200 OS 3 ROMs running OS 3.1 on WiFi.

Regards, Michael

aka rockape
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Offline crawffTopic starter

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #3 on: November 19, 2009, 01:02:37 PM »
Thanks guys :-)
 

Offline trilobyte

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #4 on: November 19, 2009, 02:34:16 PM »
Quote from: crawff;530283
Thanks guys :-)


Scala's official documentation says that if you do this, you will run into problems.  So if you use Scala, don't do OS 3.1 on KS 3.0.  This leads me to think that other programs could also be affected, but these folks who replied first seem to think not.   As they said, soft-kicking KS 3.1 solves the problem.

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Offline Cammy

Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #5 on: November 19, 2009, 06:09:01 PM »
It's worth getting 3.1 ROMs just to get rid of Topaz from some Workbench windows and apps.
A1200 030@28Mhz/2MB+32MB/RTC/KS3.1/IDE-CF+4GB/4-Way Clockport Expander/IndivisionAGA/PCMCIA NIC
A1200 020@14Mhz/2MB+8MB/FPU/RTC/KS3.0/IDE-CF+2GB/S-Video
CD32 020@14Mhz/2MB+8MB/RTC/KS3.1/IDE-CF+4GB
A600 030@30Mhz/2MB+64MB/RTC/IDE-CF+4GB/Subway USB/S-Video/PCMCIA NIC/USB Numeric Keypad+Hub+Mouse+Control Pad
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Offline klx300r

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #6 on: November 19, 2009, 07:03:29 PM »
yes you can with no problems...did it for many years but eventually i upgraded to 3.1 roms
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Offline meega

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #7 on: November 19, 2009, 07:21:37 PM »
Quote from: Cammy;530333
It's worth getting 3.1 ROMs just to get rid of Topaz from some Workbench windows and apps.


How very dare you! :lol:
:)
 

Offline BooBoo1200

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #8 on: November 19, 2009, 10:24:22 PM »
You can run OS3.5 on 3.0 Roms directly without loading 3.1 into memory.
 

Offline paul1981

Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #9 on: November 21, 2009, 01:15:14 AM »
I remember trying to run a piece of software in the past that actually required Kickstart 3.1... Can't for the life of me remember what it was, but I had 3.0 ROMS at the time in my 1200 and could not run that program.  You could softkick 3.1, but why not treat your Amiga to a nice set of 3.1 ROMS?
Also, by having real 3.1 ROMS as opposed to soft kicking, you would shave a second or two off the boot time from cold boot, due to the Amiga not having to load the ROM from hard disk.
 

Offline Moto

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Re: Amiga 1200 OS3.1 with 3.0 Roms?
« Reply #10 on: November 21, 2009, 02:59:27 AM »
Quote from: meega;530349
How very dare you! :lol:
Long live Topaz!
500, 1200, 4000T